520482820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{13999}}^1$

素因数の和:14045

約数の個数: 72

約数和(自身を含む): 1291248000

約数和(自身を除く): 770765180

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 2860, 3380, 3718, 7436, 9295, 13999, 18590, 27998, 37180, 55996, 69995, 139990, 153989, 181987, 279980, 307978, 363974, 615956, 727948, 769945, 909935, 1539890, 1819870, 2001857, 2365831, 3079780, 3639740, 4003714, 4731662, 8007428, 9463324, 10009285, 11829155, 20018570, 23658310, 26024141, 40037140, 47316620, 52048282, 104096564, 130120705, 260241410, 520482820]

約数ペア:

[(1, 520482820), (2, 260241410), (4, 130120705), (5, 104096564), (10, 52048282), (11, 47316620), (13, 40037140), (20, 26024141), (22, 23658310), (26, 20018570), (44, 11829155), (52, 10009285), (55, 9463324), (65, 8007428), (110, 4731662), (130, 4003714), (143, 3639740), (169, 3079780), (220, 2365831), (260, 2001857), (286, 1819870), (338, 1539890), (572, 909935), (676, 769945), (715, 727948), (845, 615956), (1430, 363974), (1690, 307978), (1859, 279980), (2860, 181987), (3380, 153989), (3718, 139990), (7436, 69995), (9295, 55996), (13999, 37180), (18590, 27998)]